$ git init
	
$ echo 1 > file; echo 2 >> file
$ git add file
$ git commit -m 1
[master (root-commit) 1373ad1] 1
 1 file changed, 2 insertions(+)
 create mode 100644 file
	
$ git cat-file -p 1373ad1
tree d25d3b6082891168b6787cb20783bd332e5b8f74
...
	
$ git cat-file -p d25d3b6
100644 blob 1191247b6d9a206f6ba3d8ac79e26d041dd86941    file
	
$ git cat-file -p 1191247 | hexdump -C
00000000  31 0a 32 0a                                       |1.2.|
00000004